package lab02.test32;

import java.util.HashMap;
import java.util.Map;

/**
 * Created by LENOVO on 2017/11/9.
 */
public class Test {
    public static void main(String[] args) {




        Map<String,String> person =new HashMap<>();



        person.put("id","1");
        person.put("name","张三");
        person.put("gender","男");
        person.put("age","25");
        person.put("love","爱学习java");




        for(Map.Entry<String,String> entry:person.entrySet()){

            System.out.println(entry.getKey()+","+entry.getValue());

        }

        System.out.println("map集合的大小是："+person.size());



        for (Map.Entry<String,String>entry:person.entrySet()){


            if(entry.getKey().equals("age")){


                person.remove(entry);



            }
        }

        System.out.println("map集合的大小是："+person.size());
    }
}
